D vs Thermal Scope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
D
This utility app allows users to connect their scope and quickly set up various parameters for their firearm, ammunition, and environmental conditions. It features a ballistics table for scope setup and supports device firmware upgrades. Manage firearms, units, and perform distance calculations.
- Scope parameter setup
- Ballistics table integration
- Device firmware OTA upgrades
- Firearm management
- Unit settings and conversion
- Distance calculation
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"Connect your scope and quickly set up various parameters through your phone. Detailed features are as follows: 1. Set parameters for your firearm, ammunition, distance, elevation angle, environment, etc. 2. Enter the ballistics table to quickly complete the scope setup. 3. Device firmware OTA (Over-The-Air) upgrade. 4. Firearm management, unit settings, distance calculation, unit conversion, etc."
Thermal Scope
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This application allows you to manage and control infrared devices via WiFi connection. It supports a variety of practical features, including electronic zoom, pseudocolor mode switching, scene configuration, image capture, video recording, and distance measurement. The app is designed to provide a stable and intuitive remote operation experience for infrared imaging devices.
Screenshots
Verdict
The clearest difference is update cadence: D at every 6 weeks against Thermal Scope's every 3 months. D also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
D ships an update every 6 weeks, Thermal Scope every 3 months. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.
| Parameter | D | Thermal Scope |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 32 MB | 18 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen DiscoveryOpt Technology Co., Ltd. | Software Shop |
In-app purchases
D
No in-app purchases
Thermal Scope
No in-app purchases
